Judith Wiesner (born 2 March 1966) is a former professional tennis player from Austria. During her career, she won five top-level singles titles and three tour doubles titles. Her career high rankings were World Number 12 in singles (in 1997), and World Number 29 in doubles (in 1989). In 1996, Wiesner was a quarter-finalist at both Wimbledon and the US Open.